36 10 300 Removing Or Installing Front Or Rear Wheel

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NOTE:

For Special Tool identification, see WHEEL & TIRES - SPECIAL TOOLS - 3-SERIES (E46/S64) .

Special Tools Required:

36 1 250

IMPORTANT: Wheel was balanced electronically.

Observe the following in order to avoid positioning errors and imbalance:

Loosen wheel bolts.
Wheel positioned with valve facing down.
If several wheels are removed at the same time, mark the installation location of the wheels on the tires (e.g. with chalk).
Mark out wheel to wheel hub.
Mark out lockable wheel bolt in relation to wheel.
Release wheel bolts and remove wheel.

Fig 1: Aligning Valve Face Down
Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Contact faces between brake disc and disc wheel and between brake disc and wheel hub must be free of grease.

Remove dirt, grease residues and corrosion from contact face (1) with a drill and special tool 36 1 250.

IMPORTANT: Do not operate special tool 36 1 250 with an impact screwdriver!

Fig 2: Identifying Special Tool 36 1 250

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Degrease contact face with universal cleaner.

NOTE: If there are grease residues in the area of the wheel stud bore, the brake disc must be removed and cleaned.

Remove dirt, grease residues and corrosion from contact face (1) with a drill and special tool 36 1 250.

IMPORTANT: Do not operate special tool 36 1 250 with an impact screwdriver!

NOTE: Degrease contact face with universal cleaner.

Fig 3: View Of Special Tool 36 1 250

Courtesy of BMW OF NORTH AMERICA, INC.

Check brake disc retaining bolt (1) for secure seating.

IMPORTANT: Brake disc retaining bolt must under no circumstances protrude over contact face (2) between brake disc and disc wheel.Tightening torque for brake disc retaining screw, for front axle, refer to 34 11 1AZ in STEERING AND WHEEL ALIGNMENT TIGHTENING TORQUE , for rear axle, refer to 34 21 1AZ in STEERING AND WHEEL ALIGNMENT TIGHTENING TORQUE .

Fig 4: Identifying Brake Disc Retaining Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Apply a thin coat of grease to wheel centering (1) in disc wheel.

NOTE: Refer to OPERATING FLUIDS - BRAKES .

Fig 5: Grease Application Area On Wheel Centering In Disc Wheel

Courtesy of BMW OF NORTH AMERICA, INC.

Wheel studs with taper:

a) Wheel bolt - galvanized.
b) Wheel bolt - black chrome plated.
c) Wheel bolt - black chrome plated and lockable.
d) Lockable wheel stud with adapter, black chrome-plated.

Fig 6: Identifying Different Wheel Studs With Tapers
Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: To release and tighten down lockable wheel stud, use a matching adapter from special tool 36 1 300 (wheel stud adapter set).

Clean wheel bolts and check threads for damage, replace, if necessary.

Replace rusty wheel bolts.

IMPORTANT: Do not apply oil to new wheel bolts.

In the case of used wheel bolts, apply an extremely thin coating of engine oil to the threads and tapers before reinstalling them.

IMPORTANT: Under no circumstances use pneumatic or power screwdrivers to install and tighten the wheel bolts.

IMPORTANT: Disc wheel must rest uniformly against brake disc.

Screw in wheel studs and, to center disc wheel, tighten down by hand diagonally and evenly.

Using torque wrench, firmly tighten wheel studs in diagonal and even sequence.

Tightening torque, refer to 36 10 1AZ in STEERING AND WHEEL ALIGNMENT TIGHTENING TORQUE .

Fig 7: Tightening Wheel Studs Using Torque Wrench

Courtesy of BMW OF NORTH AMERICA, INC.